#! /usr/bin/python
# -*-coding:UTF-8-*-

import threading
import queue
from time import sleep

class MyThread (threading.Thread):
    def __init__(self, threadID, name, q):
        threading.Thread.__init__(self)
        self.threadID = threadID
        self.name = name
        self.q = q

    def run(self):
        print (f"开启线程：{self.name}")
        process_data(self.name, self.q)
        print (f"退出线程：{self.name}")

def process_data(threadName, q):
    while not exitFlag:
        queueLock.acquire()
        if not workQueue.empty():
            data = q.get()
            queueLock.release()
            print (f"{threadName} processing {data}")
        else:
            queueLock.release()
        sleep(1)

def main():
    global exitFlag
    exitFlag = 0
    threadList = ["Thread-1", "Thread-2", "Thread-3"]
    nameList = ["One", "Two", "Three", "Four", "Five"]

    threads = []
    threadID = 1

    # 创建新线程
    for tName in threadList:
        thread = MyThread(threadID, tName, workQueue)
        thread.start()
        threads.append(thread)
        threadID += 1

    # 填充队列
    queueLock.acquire()
    for word in nameList:
        workQueue.put(word)
    queueLock.release()

    # 等待队列清空
    while not workQueue.empty():
        pass

    # 通知线程是退出的时候了
    exitFlag = 1

    # 等待所有线程完成
    for t in threads:
        t.join()
    print ("退出主线程")

if __name__ == "__main__":
    queueLock = threading.Lock()
    workQueue = queue.Queue(10)
    main()
